Tire tread



FIG. 1 is a perspective view of a tire tread, showing my new design;

FIG. 2 is a front view thereof; and,

FIG. 3 is a side view thereof.

The broken lines showing the tire in FIGS. 1-3 are included for the purpose of illustrating environment, and form no part of the claimed design. 

CLAIM I claim the ornamental design for the tire tread, as shown and described. 